Cui Tiejun, Xu Guozhu, and Pan Jianghai were very concerned about the case of Lao Xia's murder. They went to the conference room to listen to the anti-drug team's case analysis meeting, but were scolded by Director Guo and left.Cui Tiejun did not give up and went to the crime scene alone to look for clues and found a remote-controlled drone that had fallen on a tree.Xu Guozhu also used his method to find out if anyone had seen or knew the suspects related to the case.Cui Tiejun, Xu Guozhu and Pan Jianghai received a call from the restaurant owner Sister Hua to remind them that Lao Xia Yue's game was tonight. The three of them did not give a clear answer, but they finally gathered in the restaurant one after another.During the dinner, Xu Guozhu and Cui Tiejun quarreled because of what happened that year, and almost broke up unhappy.